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BOSTON MARATHON 2024

Charlotte Kowalk

Bib: 6890•F

MD

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 11%
Gender (Female)
#0 / 10924
Top 2%
Division (F18-39)
#0 / 4660
Top 3%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:33/mi
20:20
↑ 97↓ 3451.5%
10K· 6.21 mi
6:31/mi
40:34
↑ 79↓ 1380.4%
15K· 9.32 mi
6:36/mi
1:01:03
↑ 67↓ 78
20K· 12.43 mi
6:40/mi
1:21:46
↑ 106↓ 860.1%
Half· 13.11 mi
6:36/mi
1:26:16
↑ 19↓ 370.5%
25K· 15.53 mi
6:44/mi
1:42:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:06/mi
2:04:39
↑ 181↓ 1480.2%
20M
7:26/mi
2:14:45
↑ 64↓ 500.2%
21M
7:54/mi
2:22:39
↑ 106↓ 241.6%
35K· 21.75 mi
6:58/mi
2:27:52
↑ 17↓ 861.7%
23M
7:03/mi
2:36:42
↑ 23↓ 630.6%
24M
7:02/mi
2:43:44
↓ 821.3%
40K· 24.85 mi
7:24/mi
2:50:04
↓ 200.3%
25.2M
8:07/mi
2:52:52
↑ 13↓ 160.2%
Finish· 26.22 mi
6:27/mi
2:59:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:16
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:33:10
Pace7:06 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1520:206:3320:20
6:33
-
10K
6.21 mi10:45:2940:346:3220:14
6:31
-0:02
15K
9.32 mi11:05:581:01:036:3320:29
6:36
+0:05
20K
12.43 mi11:26:411:21:466:3520:43
6:40
+0:04
Half
13.11 mi11:31:111:26:166:354:30
6:36
-0:04
25K
15.53 mi11:47:301:42:356:3616:19
6:44
+0:08
30K
18.64 mi12:09:342:04:396:4122:04
7:06
+0:22
20M
20.00 mi12:19:402:14:456:4410:06
7:26
+0:20
21M
21.00 mi12:27:342:22:396:487:54
7:54
+0:28
35K
21.75 mi12:32:472:27:526:485:13
6:58
-0:56
23M
23.00 mi12:41:372:36:426:498:50
7:03
+0:05
24M
24.00 mi12:48:392:43:446:497:02
7:02
-0:01
40K
24.85 mi12:54:592:50:046:516:20
7:24
+0:22
25.2M
25.20 mi12:57:472:52:526:522:48
8:07
+0:43
Finish
26.22 mi13:04:212:59:266:516:34
6:27
-1:40

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:27 /mi

Average Pace

6:51 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:50

52% of race

Time at Steady Pace

59:28

33% of race

Time at Slower Pace

27:08

15% of race

Average Pace: 6:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:25:1520:206:3320:20
6:33
#3610
10K
6.21 mi10:45:2940:346:3220:14
6:31
#3331
15K
9.32 mi11:05:581:01:036:3320:29
6:36
#3289
20K
12.43 mi11:26:411:21:466:3520:43
6:40
#3155
Half
13.11 mi11:31:111:26:166:354:30
6:36
#3134
25K
15.53 mi11:47:301:42:356:3616:19
6:44
#3024
30K
18.64 mi12:09:342:04:396:4122:04
7:06
#2984
20M
20.00 mi12:19:402:14:456:4410:06
7:26
#3055
21M
21.00 mi12:27:342:22:396:487:54
7:54
#3080
35K
21.75 mi12:32:472:27:526:485:13
6:58
#3051
23M
23.00 mi12:41:372:36:426:498:50
7:03
#2938
24M
24.00 mi12:48:392:43:446:497:02
7:02
#2882
40K
24.85 mi12:54:592:50:046:516:20
7:24
#2873
25.2M
25.20 mi12:57:472:52:526:522:48
8:07
#2858
Finish
26.22 mi13:04:212:59:266:516:34
6:27
#2757
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi36101761763243(Top 13%)151(Top 1%)151(Top 3%)
10K6.21 mi3.10 mi3331+279150+26150+263095(Top 12%)138(Top 1%)138(Top 3%)
15K9.32 mi3.11 mi3289+42154-4154-43243(Top 13%)151(Top 1%)151(Top 3%)
20K12.43 mi3.11 mi3155+134139+15139+153034(Top 12%)142(Top 1%)142(Top 3%)
Half13.11 mi0.68 mi3134+211391393224(Top 13%)156(Top 1%)156(Top 3%)
25K15.53 mi2.42 mi3024+110136+3136+32820(Top 11%)152(Top 1%)152(Top 3%)
30K18.64 mi3.11 mi2984+40147-11147-113361(Top 13%)263(Top 2%)263(Top 6%)
20M20.00 mi1.36 mi3055-71155-8155-84063(Top 16%)453(Top 4%)453(Top 10%)
21M21.00 mi1.00 mi3080-25169-14169-143815(Top 15%)488(Top 4%)488(Top 10%)
35K21.75 mi0.75 mi3051+29170-1170-12992(Top 12%)284(Top 3%)284(Top 6%)
23M23.00 mi1.25 mi2938+113167+3167+32139(Top 8%)186(Top 2%)186(Top 4%)
24M24.00 mi1.00 mi2882+56165+2165+22458(Top 10%)265(Top 2%)265(Top 6%)
40K24.85 mi0.85 mi2873+9174-9174-93178(Top 12%)482(Top 4%)482(Top 10%)
25.2M25.20 mi0.35 mi2858+15182-8182-83146(Top 12%)502(Top 5%)502(Top 11%)
Finish26.22 mi1.02 mi2757+101173+9173+91258(Top 5%)108(Top 1.0%)108(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3243

Females

151

F18-39

151

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3095

Females

138

F18-39

138

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3243

Females

151

F18-39

151

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3034

Females

142

F18-39

142

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3224

Females

156

F18-39

156

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

2820

Females

152

F18-39

152

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3361

Females

263

F18-39

263

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4063

Females

453

F18-39

453

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

3815

Females

488

F18-39

488

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

2992

Females

284

F18-39

284

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2139

Females

186

F18-39

186

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2458

Females

265

F18-39

265

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3178

Females

482

F18-39

482

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3146

Females

502

F18-39

502

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1258

Females

108

F18-39

108

Passing Analysis

Category:
Athletes Passed
1566
Passed By
713
Net Change
+853
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3610
5K → 10K31536+279#3610#3331
10K → 15K12078+42#3331#3289
15K → 20K18753+134#3289#3155
20K → Half287+21#3155#3134
Half → 25K15242+110#3134#3024
25K → 30K185145+40#3024#2984
30K → 20M58129-71#2984#3055
20M → 21M6590-25#3055#3080
21M → 35K5930+29#3080#3051
35K → 23M12815+113#3051#2938
23M → 24M7620+56#2938#2882
24M → 40K5445+9#2882#2873
40K → 25.2M3217+15#2873#2858
25.2M → Finish1076+101#2858#2757
TOTALS1566713+853
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing